The constitution is the supreme law of the land (true)
Answer:
c
Explanation:
sorry that didnt read yours
Answer:
agreemenand collaborating
Explanation:
Answer:
Experiment
Explanation:
An experiment is carried out to check the outcome of a factor and to validate an hypothesis. In an experiment we have experimental samples and treatment the treatment can be few or many. The study is said to be an experiment because the researcher included a treatment and he had a controlled over the treatment which was scanning the reactions in their brain, it also become an experiment because it pressed further in knowing the factors affecting the teenagers which is what an experiment does observational research involves making findings via observations and treatment involved or the independent variable cannot be controlled because of ethical bias.
The caffeine in the coffee is what's helping her get rid of the headaches. I think her body became immuned to it after drinking it every day, so now she has to have more coffee to feel any effect.
